Ключевые слова: achievement, attempt, background, black, breakthrough, business, cog, cogwheel, competence, contribution, cooperation, desire, difficulty, dirt, dream, effort, gear, gearwheel, growth, growth hacking, hacking, illegal transactions, impulse, interaction, interplay, knowledge, machine, machinery, mechanics, mechanism, metallic, money laundering, nickel, obstacle, overcoming, perseverance, professionalism, purpose, reciprocity, result, rollback, scratch, skill, steel, success, symbol, the shadow business, tool, victory, wheel,